private String CreateGraphDDL(DumpFormats myDumpFormat, GraphDBType myGraphDBType, DBContext myDBContext)
{
var stringBuilder = new StringBuilder();
stringBuilder.AppendFormat("{0} ", myGraphDBType.Name);
if (myGraphDBType.ParentTypeUUID != null)
{
stringBuilder.AppendFormat("{0} {1} ", S_EXTENDS.ToUpperString(), myGraphDBType.GetParentType(myDBContext.DBTypeManager).Name);//builder.AppendLine();
#region Not backwardEdge attributes
if (myGraphDBType.GetFilteredAttributes(ta => !ta.IsBackwardEdge).CountIsGreater(0))
{
stringBuilder.Append(S_ATTRIBUTES.ToUpperString() + S_BRACKET_LEFT.ToUpperString() + CreateGraphDDLOfAttributes(myDumpFormat, myGraphDBType.GetFilteredAttributes(ta => !ta.IsBackwardEdge), myDBContext) + S_BRACKET_RIGHT.ToUpperString() + " ");
}
#endregion
#region BackwardEdge attributes
if (myGraphDBType.GetFilteredAttributes(ta => ta.IsBackwardEdge).CountIsGreater(0))
{
stringBuilder.Append(S_BACKWARDEDGES.ToUpperString() + S_BRACKET_LEFT.ToUpperString() + CreateGraphDDLOfBackwardEdges(myDumpFormat, myGraphDBType.GetFilteredAttributes(ta => ta.IsBackwardEdge), myDBContext) + S_BRACKET_RIGHT.ToUpperString() + " ");
}
#endregion
#region Uniques
if (myGraphDBType.GetUniqueAttributes().CountIsGreater(0))
{
stringBuilder.Append(S_UNIQUE.ToUpperString() + S_BRACKET_LEFT.Symbol + CreateGraphDDLOfAttributeUUIDs(myDumpFormat, myGraphDBType.GetUniqueAttributes(), myGraphDBType) + S_BRACKET_RIGHT.Symbol + " ");
}
#endregion
#region Mandatory attributes
if (myGraphDBType.GetMandatoryAttributes().CountIsGreater(0))
{
stringBuilder.Append(S_MANDATORY.ToUpperString() + S_BRACKET_LEFT.Symbol + CreateGraphDDLOfAttributeUUIDs(myDumpFormat, myGraphDBType.GetMandatoryAttributes(), myGraphDBType) + S_BRACKET_RIGHT.Symbol + " ");
}
#endregion
#region Indices
if (myGraphDBType.GetAllAttributeIndices(false).CountIsGreater(0))
{
stringBuilder.Append(S_INDICES.ToUpperString() + S_BRACKET_LEFT.Symbol + CreateGraphDDLOfIndices(myDumpFormat, myGraphDBType.GetAllAttributeIndices(false), myGraphDBType) + S_BRACKET_RIGHT.Symbol + " ");
}
#endregion
}
return stringBuilder.ToString();
}
/// <summary>
/// Generate an output for an type with the attributes of the types and all parent types
/// </summary>
/// <param name="myGraphDBType">The db type</param>
/// <param name="myDBContext">The db context</param>
/// <param name="myDepth">If depth == 0 only the type basic attributes will be returned</param>
private Vertex GenerateOutput(DBContext myDBContext, GraphDBType myGraphDBType, Int32 myDepth = 0)
{
var retVal = new Vertex();
if (myGraphDBType.ParentTypeUUID != null)
retVal.AddAttribute("UUID", myGraphDBType.UUID);
retVal.AddAttribute("TYPE", myGraphDBType.GetType().Name);
retVal.AddAttribute("Name", myGraphDBType.Name);
retVal.AddAttribute("Comment", myGraphDBType.Comment);
if (myDepth > 0)
{
retVal.AddAttribute("Properties", new Edge(retVal, GeneratePropertiesOutput(myGraphDBType, myDBContext,
myGraphDBType.Attributes.Where(a => !(a.Value.EdgeType is IReferenceEdge)).Select(kv => kv.Value)))
{
EdgeTypeName = "Property"
});
retVal.AddAttribute("Edges", new Edge(retVal, GenerateEdgesOutput(myGraphDBType, myDBContext, myGraphDBType.Attributes.Where(a => (a.Value.EdgeType is IReferenceEdge) && !a.Value.IsBackwardEdge).Select(kv => kv.Value)))
{
EdgeTypeName = "Edge"
});
retVal.AddAttribute("BackwardEdges", new Edge(retVal, GenerateEdgesOutput(myGraphDBType, myDBContext, myGraphDBType.Attributes.Where(a => (a.Value.EdgeType is IReferenceEdge) && a.Value.IsBackwardEdge).Select(kv => kv.Value)))
{
EdgeTypeName = "Edge"
});
retVal.AddAttribute("UniqueAttributes", new Edge(retVal, GeneratePropertiesOutput(myGraphDBType, myDBContext,
myGraphDBType.GetUniqueAttributes().Select(a => myGraphDBType.GetTypeAttributeByUUID(a))))
{
EdgeTypeName = "Unique"
});
retVal.AddAttribute("MandatoryAttributes", new Edge(retVal, GeneratePropertiesOutput(myGraphDBType, myDBContext,
myGraphDBType.GetMandatoryAttributes().Select(a => myGraphDBType.GetTypeAttributeByUUID(a))))
{
EdgeTypeName = "Mandatory"
});
retVal.AddAttribute("Indices", new Edge(retVal, GenerateIndicesOutput(myGraphDBType, myDBContext))
{
EdgeTypeName = "Index"
});
if (myGraphDBType.ParentTypeUUID != null)
{
var _ParentType = myDBContext.DBTypeManager.GetTypeByUUID(myGraphDBType.ParentTypeUUID);
retVal.AddAttribute("Extends", new Edge(retVal, GenerateOutput(myDBContext, _ParentType, myDepth - 1))
{
EdgeTypeName = "VertexType"
});
}
}
return retVal;
}
